12973239686 has 8 divisors (see below), whose sum is σ = 21228937704. Its totient is φ = 5896927120.

The previous prime is 12973239679. The next prime is 12973239701. The reversal of 12973239686 is 68693237921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294846335 + ... + 294846378.

It is an arithmetic number, because the mean of its divisors is an integer number (2653617213).

Almost surely, 2^12973239686 is an apocalyptic number.

12973239686 is a deficient number, since it is larger than the sum of its proper divisors (8255698018).

12973239686 is a wasteful number, since it uses less digits than its factorization.

12973239686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589692726.

The product of its digits is 5878656, while the sum is 56.

The spelling of 12973239686 in words is "twelve billion, nine hundred seventy-three million, two hundred thirty-nine thousand, six hundred eighty-six".